package cn.edu.scau.cmi.shishuai.exercise7;

interface ShowMessage{
	void 显示商标(String s);
}

class TV implements ShowMessage{
	public void 显示商标(String s) {
		System.out.println(s);
	}
}

class PC implements ShowMessage{
	public void 显示商标(String s) {
		System.out.println(s);
	}
}

public class Example7_2 {

	public static void main(String[] args) {
		ShowMessage sm;
		sm = new TV();
		sm.显示商标("长城牌电视机");
		sm = new PC();
		sm.显示商标("联想奔月5008PC机");

	}

}
